Biology and Environmental Science In April 2013, Eddie (\"Flathead Ed\") Wilcoxs
ID: 3177410 • Letter: B
Question
Biology and Environmental Science In April 2013, Eddie ("Flathead Ed") Wilcoxson caught a flathead catfish that weighed 76.52 pounds on Bartlett Lake in Arizona.^5 The cat- fish was 53.5 inches long and its girth measured 34.75 inches Suppose five catfish were caught on the same lake with weights (in pounds) given in the following table A random sample of three of these catfish is selected without replacement. Find the sampling distribution of the sample mean X^bar. Find the sampling distribution of the total length for all three catfish, T.Explanation / Answer
Result:
a).
sample 1
sample 2
sample 3
Mean
11
15
32
19.3333
11
15
21
15.6667
11
15
27
17.6667
11
32
21
21.3333
11
32
27
23.3333
11
21
27
19.6667
15
32
21
22.6667
15
32
27
24.6667
15
21
27
21.0000
32
21
27
26.6667
Descriptive statistics
Mean
n
10
mean
21.200000
sample standard deviation
3.293090
b).
sample 1
sample 2
sample 3
Total
11
15
32
58
11
15
21
47
11
15
27
53
11
32
21
64
11
32
27
70
11
21
27
59
15
32
21
68
15
32
27
74
15
21
27
63
32
21
27
80
Descriptive statistics
Total
n
10
mean
63.60
sample standard deviation
9.88
sample 1
sample 2
sample 3
Mean
11
15
32
19.3333
11
15
21
15.6667
11
15
27
17.6667
11
32
21
21.3333
11
32
27
23.3333
11
21
27
19.6667
15
32
21
22.6667
15
32
27
24.6667
15
21
27
21.0000
32
21
27
26.6667
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